<template>
  <view>
     <view class = "goods-list">
       <view v-for="(goods,i) in goodsList" :key="i" @click="gotoDetail(goods)">
           <my-goods :goods = "goods" ></my-goods>
        </view>
     </view>
  </view>
</template>

<script>
  export default {
    data() {
      return {
        //请求参数对象
         queryObj:{
           query : "",
           cid : "",
           pagenum : 1,
           pagesize : 10
         },
         goodsList: [],
         total: 0,
         //节流阀
         isLoading :false
      }
    },
    onLoad(options) {
      this.queryObj.query = options.query|| ''
      this.queryObj.cid = options.cid || ''
      this.getGoodsList()
    },
    methods: {
      async getGoodsList(cb){
        this.isLoading = true
        const {data : res} = await uni.$http.get('/api/public/v1/goods/search',this.queryObj)
        //关闭节流阀
        this.isLoading = false
        cb && cb() 
        if(res.meta.status !== 200) return uni.$showMsg()
        this.goodsList = [...this.goodsList,...res.message.goods]
        this.total = res.message.total
      },
      onReachBottom() {
        if(this.queryObj.pagenum*this.queryObj.pagesize >= this.total) return uni.$showMsg("数据加载完毕")
        if(this.isLoading) return
        this.queryObj.pagenum++
        this.getGoodsList()
      },
      onPullDownRefresh() {
        //重置关键数据
        this.queryObj.pagenum = 1
        this.total = 0
        this.isLoading = false
        this.goodsList= []
        //重新发起请求
        this.getGoodsList(() => uni.stopPullDownRefresh())
      },
       gotoDetail(goods) {
         uni.navigateTo({
           url:"subpkg/goods_detail/goods_detail?goods_id="+ goods.good_id
         })
      }
    }
  }
</script>

<style lang="scss">
  
</style>
